Analysis
- max time kernel
155s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
21/10/2022, 17:36
General
- Target file.exe
- Size 365KB
- Sample221021-v6kfcahaar
- SHA256 68ff988170989b1c7fed3a926fbd9ba6dd54fb43f05d03d1f49ad7d84a830cff
Malware Config
Extracted
-
redline
-
Texx
-
80.66.87.20:80
-
auth_value
092f062e01998ffc4c8b1340278e7855
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- Executes dropped EXE 4 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Tskynunrowwjginconsulting_s.exe"C:\Users\Admin\AppData\Local\Temp\Tskynunrowwjginconsulting_s.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA0AA==4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Tskynunrowwjginconsulting_s.exeC:\Users\Admin\AppData\Local\Temp\Tskynunrowwjginconsulting_s.exe4⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXEC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
Tskynunrowwjginconsulting_s.exe.log
SETUP_~1.EXE.log
ModuleAnalysisCache
StartupProfileData-NonInteractive
SETUP_~1.EXE
SETUP_~1.EXE
SETUP_~1.EXE
Tskynunrowwjginconsulting_s.exe
Tskynunrowwjginconsulting_s.exe
Tskynunrowwjginconsulting_s.exe
memory/1828-163-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/1828-158-0x000000001CF40000-0x000000001CF62000-memory.dmp
memory/1828-153-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/1828-176-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/1828-148-0x0000000000BC0000-0x0000000000BC6000-memory.dmp
memory/3768-165-0x00000000064D0000-0x0000000006562000-memory.dmp
memory/3768-170-0x00000000079A0000-0x0000000007ECC000-memory.dmp
memory/3768-150-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3768-169-0x00000000072A0000-0x0000000007462000-memory.dmp
memory/3768-168-0x0000000006870000-0x00000000068C0000-memory.dmp
memory/3768-154-0x00000000056D0000-0x0000000005CE8000-memory.dmp
memory/3768-155-0x00000000051C0000-0x00000000052CA000-memory.dmp
memory/3768-156-0x0000000002CD0000-0x0000000002CE2000-memory.dmp
memory/3768-157-0x00000000050B0000-0x00000000050EC000-memory.dmp
memory/3768-167-0x00000000067F0000-0x0000000006866000-memory.dmp
memory/3768-166-0x0000000006B20000-0x00000000070C4000-memory.dmp
memory/4012-178-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/4012-177-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/4012-172-0x0000000140000000-0x0000000140056000-memory.dmp
memory/4040-164-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/4040-171-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/4040-161-0x00007FFEE80F0000-0x00007FFEE8BB1000-memory.dmp
memory/4828-142-0x0000000005CF0000-0x0000000005D0E000-memory.dmp
memory/4828-143-0x0000000007350000-0x00000000079CA000-memory.dmp
memory/4828-144-0x0000000006200000-0x000000000621A000-memory.dmp
memory/4828-140-0x00000000055A0000-0x0000000005606000-memory.dmp
memory/4828-138-0x0000000002400000-0x0000000002436000-memory.dmp
memory/4828-139-0x0000000004E00000-0x0000000005428000-memory.dmp
memory/4828-141-0x00000000056C0000-0x0000000005726000-memory.dmp
memory/5112-136-0x0000000006E50000-0x0000000006E72000-memory.dmp
memory/5112-135-0x0000000000750000-0x0000000000758000-memory.dmp